第二部分：閱讀選擇(第11～15題，每題2分，共10分)

　　閱讀下面短文，請(qǐng)從短文后所給各題的4個(gè)選項(xiàng)(A、B、C、D)中選出1個(gè)最佳選項(xiàng)，并在答題卡相應(yīng)位置上將該項(xiàng)涂黑。

　　What Happens When You Stop Exercising

　　Have you ever wondered what would happen if you stopped exercising? A new study on twins was published in the journal Medicine & Science. The results of the study are dramatic.

　　In the study, researchers looked at 10 pairs of twin men. Each set of twins was in their mid-30s. Each had been brought up in the same family. Since they were identical, they shared the same DNA. They had maintained the same level of physical activity for most of their lives.

　　But there was one difference. One twin of each set had cut on exercising in the past few years due to work or family pressure. On average, the less active twin exercised less than twice a week, while the active twin exercised at least twice a week. The research team put each twin through a set of medical tests to study their overall health.

　　The results showed big differences. While the more active twins had lower body fat percentage, better endurance level, and normal sensitivity, the inactive twins had about seven more pounds of body fat, worse endurance, and signs of disease. Not only were their bodies different; their brains were different as well. The active twins had more gray matter (the information processing part of the brain), particularly in areas that control balance.

　　The conclusion of the study is clear. Quitting your fitness routine can bring negative effects to your body and your brain as well. Considering the less active twins in the study had become couch potatoes(沉溺于看電視的人)only recently, these changes can sneak up on you a lot sooner than you'd think. So keep exercising. It is beneficial to your overall health!

　　11.【題干】This text is mainly about_____.

　　【選項(xiàng)】

　　A.the importance of DNA

　　B.the role of exercise

　　C.the birth of a new journal

　　D.the difference between twins

　　【答案】B

　　【解析】文章標(biāo)題為What Happens When You Stop Exercising，可知主要內(nèi)容與鍛煉有關(guān)。

　　這里只可以看，下載萬(wàn)題庫(kù)估分，還可以練，可以看解析【點(diǎn)擊下載】

　　12.【題干】Researchers chose twins for their study mostly because they_____.

　　【選項(xiàng)】

　　A.shared the same DNA

　　B.looked alike

　　C.had the same lifestyle

　　D.grew up together

　　【答案】A

　　【解析】文章第二段給出原因Since they were identical, they shared the same DNA. They had maintained the same level of physical activity for most of their lives.因此選擇A選項(xiàng)。

　　這里只可以看，下載萬(wàn)題庫(kù)估分，還可以練，可以看解析【點(diǎn)擊下載】

　　13.【題干】The twins in the study differed in_____.

　　【選項(xiàng)】

　　A.sleeping habits

　　B.exercise frequency

　　C.working hours

　　D.food preference

　　【答案】B

　　【解析】文章原文But there was one difference. One twin of each set had cut on exercising in the past few years due to work or family pressure.表明，區(qū)別在于在過(guò)去的幾年里，由于工作或家庭的壓力，每組雙胞胎中有一人減少了鍛煉。

　　這里只可以看，下載萬(wàn)題庫(kù)估分，還可以練，可以看解析【點(diǎn)擊下載】

　　14.【題干】The study found that the more active twins became_____.

　　【選項(xiàng)】

　　A.less creative

　　B.less sensitive

　　C.more emotional

　　D.more endurable

　　【答案】D

　　【解析】原文中說(shuō)While the more active twins had lower body fat percentage, better endurance level, and normal sensitivity，因此選擇D選項(xiàng)。

　　這里只可以看，下載萬(wàn)題庫(kù)估分，還可以練，可以看解析【點(diǎn)擊下載】

　　15.【題干】The phrase "sneak up on" (Para.4) most probably means_____.

　　【選項(xiàng)】

　　A.protect

　　B.attack

　　C.affect

　　D.benefit

　　【答案】C

　　【解析】Quitting your fitness routine can bring negative effects to your body and your brain as well.文中最后一段表明放棄你的健身習(xí)慣會(huì)給你的身體和大腦帶來(lái)負(fù)面影響。these changes can sneak up on you a lot sooner than you'd think.這些變化會(huì)比你想象的更早地_____你。根據(jù)前文可知，這些變化會(huì)造成負(fù)面影響，因此排除A、D選項(xiàng)。sneak up on偷偷地接近，與C選項(xiàng)影響更貼近。

　　這里只可以看，下載萬(wàn)題庫(kù)估分，還可以練，可以看解析【點(diǎn)擊下載】

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